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5.2 Task Dependent Synchronization Function
Specifications of the task-dependent synchronization function are listed in below.
Table 5.3 Specifications of the Task Dependent Synchronization Function
No. Item Content
1 Maximum value of task wakeup request count 255
2 Maximum number of nested forcible task wait requests count 1
Table 5.4 List of Task Dependent Synchronization Service Call
System State
No. Service Call Function
T N E D U L
1 slp_tsk
[S][B]
Puts task to sleep O O O
2 tslp_tsk
[S]
Puts task to sleep (with timeout) O O O
3 wup_tsk
[S][B]
O O O O
4 iwup_tsk
[S][B]
O O O O
5 can_wup
[B]
O O O O
6 ican_wup
O O O O
7 rel_wai
[S][B]
O O O O
8 irel_wai
[S][B]
Releases task from waiting
O O O O
9 sus_tsk
[S][B]
O O O O
10 isus_tsk
Suspends task
O O O O
11 rsm_tsk
[S][B]
O O O O
12 irsm_tsk
Wakes up task
O O O O
13 frsm_tsk
[S]
O O O O
14 ifrsm_tsk
Cancels wakeup request
O O O O
15 dly_tsk
[S][B]
Delays task O O O
Notes:
• [S]: Standard profile service calls
[B]: Basic profile service calls
• Each sign within " System State " is a following meaning.
♦ T: Can be called from task context
♦ N: Can be called from non-task context
♦ E: Can be called from dispatch-enabled state
♦ D: Can be called from dispatch-disabled state
♦ U: Can be called from CPU-unlocked state
♦ L: Can be called from CPU-locked state